Question

【题目】The firefighters tried to prevent the fire from _________ (蔓延)。

Answer 1

【答案】spreading

【解析】

句意：消防队员试图阻止火势蔓延。

prevent sb. from doing sth.阻止某人做某事；spread动词，蔓延；此处用动名词，故答案为spreading。